Sock



FIG. 1 is a top perspective view of a sock of the present invention showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a rear perspective view thereof.

The evenly dashed broken lines showing a human foot and a left foot sock are for the purpose of illustrating environment that forms no part of the claim. The evenly dashed broken lines on the sock are for the purpose of illustrating stitching that forms no part of the claim. 

CLAIM The ornamental design for a sock, as shown and described. 